Home / 756,121.38-1,134,403.52-223,656.59

Finding the Fourth Proportional to 756,121.38, 1,134,403.52 and 223,656.59

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Solution

The fourth proportional to 756,121.38, 1,134,403.52 and 223,656.59 is: 335,550.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,121.38 : 1,134,403.52 = 223,656.59 : x
  2. Step 2: Convert to fraction form
    756,121.38/1,134,403.52 = 223,656.59/x
  3. Step 3: Cross multiply
    756,121.38x = 1,134,403.52 × 223,656.59
  4. Step 4: Simplify right side
    756,121.38x = 253,716,824,684.92
  5. Step 5: Solve for x
    x = 253,716,824,684.92/756,121.38
  6. Step 6: Final answer
    x = 335,550.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.